powerpc: Add struct smp_ops_t.cause_nmi_ipi operation
Have the NMI IPI code use this op when the platform defines it. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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@ -42,6 +42,7 @@ struct smp_ops_t {
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#ifdef CONFIG_PPC_SMP_MUXED_IPI
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void (*cause_ipi)(int cpu);
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#endif
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int (*cause_nmi_ipi)(int cpu);
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void (*probe)(void);
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int (*kick_cpu)(int nr);
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int (*prepare_cpu)(int nr);
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@ -417,6 +417,9 @@ out:
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static void do_smp_send_nmi_ipi(int cpu)
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{
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if (smp_ops->cause_nmi_ipi && smp_ops->cause_nmi_ipi(cpu))
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return;
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if (cpu >= 0) {
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do_message_pass(cpu, PPC_MSG_NMI_IPI);
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} else {
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@ -344,6 +344,7 @@ done:
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}
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struct smp_ops_t smp_85xx_ops = {
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.cause_nmi_ipi = NULL,
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.kick_cpu = smp_85xx_kick_cpu,
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.cpu_bootable = smp_generic_cpu_bootable,
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#ifdef CONFIG_HOTPLUG_CPU
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@ -105,6 +105,7 @@ smp_86xx_setup_cpu(int cpu_nr)
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struct smp_ops_t smp_86xx_ops = {
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.cause_nmi_ipi = NULL,
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.message_pass = smp_mpic_message_pass,
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.probe = smp_mpic_probe,
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.kick_cpu = smp_86xx_kick_cpu,
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@ -44,6 +44,7 @@ static void smp_chrp_setup_cpu(int cpu_nr)
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/* CHRP with openpic */
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struct smp_ops_t chrp_smp_ops = {
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.cause_nmi_ipi = NULL,
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.message_pass = smp_mpic_message_pass,
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.probe = smp_mpic_probe,
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.kick_cpu = smp_chrp_kick_cpu,
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@ -447,6 +447,7 @@ void __init smp_psurge_give_timebase(void)
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struct smp_ops_t psurge_smp_ops = {
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.message_pass = NULL, /* Use smp_muxed_ipi_message_pass */
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.cause_ipi = smp_psurge_cause_ipi,
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.cause_nmi_ipi = NULL,
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.probe = smp_psurge_probe,
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.kick_cpu = smp_psurge_kick_cpu,
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.setup_cpu = smp_psurge_setup_cpu,
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@ -302,6 +302,7 @@ static void __init pnv_smp_probe(void)
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static struct smp_ops_t pnv_smp_ops = {
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.message_pass = NULL, /* Use smp_muxed_ipi_message_pass */
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.cause_ipi = NULL, /* Filled at runtime by pnv_smp_probe() */
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.cause_nmi_ipi = NULL,
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.probe = pnv_smp_probe,
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.prepare_cpu = pnv_smp_prepare_cpu,
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.kick_cpu = pnv_smp_kick_cpu,
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@ -202,6 +202,7 @@ static __init void pSeries_smp_probe(void)
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static struct smp_ops_t pseries_smp_ops = {
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.message_pass = NULL, /* Use smp_muxed_ipi_message_pass */
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.cause_ipi = NULL, /* Filled at runtime by pSeries_smp_probe() */
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.cause_nmi_ipi = NULL,
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.probe = pSeries_smp_probe,
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.kick_cpu = smp_pSeries_kick_cpu,
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.setup_cpu = smp_setup_cpu,
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